OWINGS, Jeffrey A.; NELSON, Clifford L. FFA Leaders And Personality Traits. Journal of Agricultural Education, [S. l.], v. 20, n. 1, p. 40–44, 1979. DOI: 10.5032/jaatea.1979.01040. Disponível em: https://jae-online.org/index.php/jae/article/view/674. Acesso em: 14 sep. 2024.